Resultados de la búsqueda
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By-catch analysis as a part of progress report for the research fishery of Dissostichus spp. in Subarea 48.6 by Japan and South Africa during 2012/13–2016/17
Abstract: This paper reports the preliminary results of by-catch analysis as a part of progress ... report for the research fishery of Dissostichus spp. in Subarea 48.6 by Japan and South Africa during ... 2012/13–2016/17. We have used data set provided by CCAMLR secretariat on 10 th May, 2017. Although the ... by-catch occurred in most longline research operations, the number of by-catch individuals was less ...
Meeting Document : WG-SAM-17/44 : Autor(es): T. Okuda, S. Somhlaba and T. Ichii
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Estimation of the incidental capture of seabird species in commercial fisheries in New Zealand waters, 2002/03
operations (95% dead). The trawl-caught seabirds were from at least eight target fisheries, four of which had ... ) trawl fisheries accounted for 87% of observed trawl-caught seabirds. Incident rates (expressed as the ... highest in chartered albacore tuna (T. alalunga) sets in northern waters (17%), compared with 10% for the ... observed chartered southern bluefin tuna (T. maccoyii) longlines off the southwest coast of the South ...
Meeting Document : WG-FSA-04/57 : Autor(es): S.J. Baird (New Zealand)
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Off the hook? Initiatives to reduce seabird by-catch in longline fisheries
Abstract: The recent history of global initiatives to reduce seabird by-catch in longline ... fisheries are reviewed, highlighting in turn the activities of environmental and industry non-governmental ... Fisheries, adopted by the Food and Agriculture Organization of the United Nations in June 1999, has much ... promise for effectively addressing the problem, if nations are willing to develop and implement it ...
Meeting Document : WG-FSA-99/6 : Autor(es): J. Cooper (South Africa), J.P. Croxall (United Kingdom) and K.S. Rivera (USA)
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Estimating unaccounted fishing mortality in the Ross Sea and 88.2C–G bottom longline fisheries targeting Antarctic toothfish
Abstract: Stock assessments rely upon estimates of the total mortality resulting from fishing ... activities. The level of mortality resulting from the loss of sections of bottom longline gear in the Ross ... its management objectives relating to human impacts on the Antarctic environment. We provide a method ... to estimate unaccounted fishing mortality from lost lines in the Ross Sea region and Subarea 88.2 ...
Meeting Document : WG-FSA-11/48 : Autor(es): D.N. Webber and S.J. Parker (New Zealand)
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Climate Change, Longevity Overfishing and Precautious Management of the Area 88 Toothfish Fishery
Abstract: Three aspects of current management of the “exploratory” Antarctic toothfish ... (Dissostichus mawsoni) fishery in Area 88 indicates that less-than-full precaution is being exercised in the ... of this species to climate-related factors; and 3) an increase in that sensitivity owing to the ... targeted removal of the oldest, most successful and most fecund toothfish. The current strategy is to ...
Meeting Document : WG-FSA-09/07 : Autor(es): D. Ainley (USA), M. Massaro, G. Ballard (New Zealand) and J.T. Eastman (USA)
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REPORT ON THE ABANDONED GILLNET RETRIEVAL OPERATION CONDUCTED BY AUSTRALIA IN CCAMLR STATISTICAL DIVISION 58.4.3B (BANZARE BANK)
gillnets as a fishing method to target toothfish in the Convention area. Estimating the impact of IUU ... fishing is hampered by a lack of data on the design, deployment, catch and bycatch rates of gill nets ... (Statistical Division 58.4.3b), and the toothfish and bycatch found when a section of the gillnet was retrieved ... . Based on the amount of toothfish found in the 8 km long section of net retrieved, upwards of 29 tonnes ...
Meeting Document : TASO-09/10 : Autor(es): Snowdon, D., Hamill, J., McEachan, F., Welsford, D.
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VPA as one of the approaches for settling a problem of Patagonian toothfish, Dissostichus eleginoides, population quantity (Subarea 48.3, South Georgia)
Abstract: In order to avoid several problems associated with assessing the D. eleginoides stock ... in Subarea 48.3, it has been proposed to use the FAO programme ANACO (Mesnil, 1989) which allows one ... resorting to additional information on effort. VPBAS files for running the programme were created using our ... data as well as CCAMLR data. Some assumptions were made for this exercise. Assessments for the period ...
Meeting Document : WG-FSA-95/14 : Autor(es): Shlyakhov, V.A.
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Status and trends of Adelie penguin populations in the Ross Sea region
Abstract: Aerial reconnaissance and photography were used in the Ross Sea sector of Antarctica to ... determine the breeding locations of Adé1ie penguins Pygoscelis adeliae, and to count the numbers of nests ... occupied during the early incubation period. From 1981 to 1987, all islands and sea coasts between 158°E ... Adé1ie rookeries are now known from the region, with a total of about 1,082,1300 breeding pairs – almost ...
Meeting Document : WG-CEMP-92/23 : Autor(es): R.H. Taylor, P.R. Wilson and B.W. Thomas (New Zealand)
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A biomass estimate of Antarctic krill (Euphausia superba) at the Balleny Islands
Abstract: The biomass of Antarctic krill (Euphausia superba) at the Balleny Islands, Antarctica ... data processing followed the recommendations of CCAMLR SG-ASAM. Two parameterisations of the krill ... acoustic target strength model were used. The first parameterisation assumed a vertical orientation of ... krill, θ, as a normal distribution, mean = 11°, standard deviation = 4°, N(11,4), the second ...
Meeting Document : WG-EMM-15/17 Rev. 1 : Autor(es): M.J. Cox (Australia), Y. Ladroit, P. Escobar-Flores and R.L. O’Driscoll (New Zealand)
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Annual report of research fishing operations at Division 58.4.4b in the 2017/18 fishing season
Abstract: This paper represents the annual report of a multi-member longline survey on Patagonian ... toothfish (Dissostichus eleginoides) at Division 58.4.4b in the 2017/18 fishing season by France and Japan ... . eleginoides in 58.4.4b_2. The data set, C2 and Observer data, was provided by the CCAMLR Secretariat on the ... 3th August, 2018. In this paper, the data set during current fishing season (2017/18) was used for ...
Meeting Document : WG-FSA-18/67 : Autor(es): Delegations of Japan and France